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公开(公告)号：US20170241419A1
公开(公告)日：2017-08-24
申请号：US15432032
申请日：2017-02-14
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
CPC classification number: F04C29/04 , F04C18/0215 , F04C28/26 , F04C28/28 , F04C29/0085 , F04C29/12 , F04C2240/30
Abstract: A hermetic compressor is provided that may include a casing having an inner space, an orbiting scroll provided in the inner space, a non-orbiting scroll engaged with the orbiting scroll to form compression chambers, a high/low pressure dividing plate that divides the inner space into high and low pressure portions, and an overheat preventing unit coupled to a surface of the dividing plate at the high pressure portion, the overheat preventing unit having a communication hole formed through the dividing plate to communicate the high and low pressure portions, and having a valve spaced from the dividing plate by a predetermined interval to selectively open/close the communication hole according to a temperature variation of the high pressure portion, whereby transfer of a refrigerant temperature of the low pressure portion to the overheat preventing unit through the dividing plate may be prevented, and the compressor may be quickly stopped upon being overheated, thereby being protected from damage.
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公开(公告)号：US11215181B2
公开(公告)日：2022-01-04
申请号：US16397490
申请日：2019-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F04C28/26 , F04C23/00 , F04C18/02 , F04C28/18 , F04C29/00 , F04C29/12
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage communicating inside and outside of the compression chamber with each other, an opening/closing valve assembly provided outside the non-orbiting member within the casing and opening and closing the communication passage, and a switching valve assembly provided within the casing and operating the opening/closing valve assembly, whereby a facilitated fabrication, improved valve responsiveness and a relaxed restriction for a specification of a valve can be achieved, and also an over-compression can be prevented by an installation of a check valve, and an assembling efficiency can be improved by installing two valve assemblies outside the non-orbiting member.
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公开(公告)号：US10428818B2
公开(公告)日：2019-10-01
申请号：US15388584
申请日：2016-12-22
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
Abstract: A scroll compressor according to the present invention includes a casing having a hermetic inner space divided into a low pressure portion and a high pressure portion, an orbiting scroll disposed within the inner space of the casing and performing an orbiting motion, a non-orbiting scroll forming a compression chamber together with the orbiting scroll, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a back pressure chamber assembly coupled to the non-orbiting scroll to form a back pressure chamber, a valve accommodation groove formed on at least one of the non-orbiting scroll or the back pressure chamber assembly, a bypass hole formed from the intermediate pressure chamber into the valve accommodation groove in a penetrating manner, a check valve accommodated in the valve accommodation groove and opening and closing the bypass hole according to pressure of the intermediate pressure chamber, a communication passage communicating the valve accommodation groove and the low pressure portion with each other, and a control valve selectively opening and closing the communication passage, whereby a facilitated fabrication, improved responsiveness and relaxed restriction for a specification of a valve can be achieved.
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公开(公告)号：US10316843B2
公开(公告)日：2019-06-11
申请号：US15390246
申请日：2016-12-23
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F04C28/26 , F04C18/02 , F04C28/18 , F04C29/00 , F04C29/12 , F04C23/00
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage communicating inside and outside of the compression chamber with each other, an opening/closing valve assembly provided outside the non-orbiting member within the casing and opening and closing the communication passage, and a switching valve assembly provided within the casing and operating the opening/closing valve assembly, whereby a facilitated fabrication, improved valve responsiveness and a relaxed restriction for a specification of a valve can be achieved, and also an over-compression can be prevented by an installation of a check valve, and an assembling efficiency can be improved by installing two valve assemblies outside the non-orbiting member.
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公开(公告)号：US09890861B2
公开(公告)日：2018-02-13
申请号：US14948928
申请日：2015-11-23
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Munyoung Lee , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C2/00 , F16J15/3224 , F04C18/02 , B29C33/00 , B29C45/00 , F16J15/3204 , F01C19/00 , F04C27/00 , B29L31/26 , F04C23/00
CPC classification number: F16J15/3224 , B29C33/005 , B29C45/0025 , B29C2045/0034 , B29L2031/26 , B29L2031/265 , F01C19/005 , F04C18/0215 , F04C23/008 , F04C27/003 , F04C2230/21 , F16J15/3204
Abstract: A scroll compressor is provided that may include a casing, a discharge cover fixed inside of the casing, a first scroll revolved a rotational shaft, a second scroll provided on the first scroll to define compression chambers, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber of the compression chambers having an intermediate pressure, a back pressure plate provided on the second scroll and having an intermediate pressure suction hole that communicates with the intermediate pressure discharge hole, a floating plate movably provided at a side of the back pressure plate and defining a back pressure chamber, and a sealing member provided between the back pressure plate and the floating plate, the sealing member including a sealing body, and at least one protrusion provided at an incline with respect to a central line that extends in a horizontal direction of the sealing body.
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Patent Agency Ranking
公开(公告)号：US10428819B2
公开(公告)日：2019-10-01
申请号：US15390221
申请日：2016-12-23
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C18/00 , F04C28/26 , F04C18/02 , F04C28/18 , F04C29/00 , F04C29/12 , F04C23/00 , F04C28/16 , F04C28/24
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage configured to bypass a refrigerant of the compression chamber into the casing, an opening/closing valve assembly configured to open and close the communication passage, and a switching valve assembly configured to operate the opening/closing valve assembly, the switching valve assembly being provided outside the casing and connected to the opening/closing valve assembly, whereby an installation of the bypass hole can result in prevention of over-compression and an installation of a control valve for varying a capacity outside the casing can result in reduction of costs for the control valve.
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公开(公告)号：US20180209422A1
公开(公告)日：2018-07-26
申请号：US15874538
申请日：2018-01-18
Applicant: LG ELECTRONICS INC.
Inventor： Sangwoo Joo , Honggyun Jin
CPC classification number: F04C28/26 , F04C18/0215 , F04C18/0261 , F04C23/008 , F04C28/24 , F04C29/12 , F04C2240/30 , F04C2250/102
Abstract: A scroll compressor formed having a casing, a compression unit provided in an inner space of the casing to form a compression chamber composed of an inner pocket and an outer pocket by a pair of two scrolls, and bypass holes provided in the compression unit to bypass refrigerant suctioned into the compression chamber to the inner space of the casing to vary compression capacity, wherein the bypass holes are formed in a compression chamber constituting the inner pocket and a compression chamber constituting an outer to pocket to be located in compression chambers having different pressures along a movement path of the respective compression chambers.
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公开(公告)号：US11204035B2
公开(公告)日：2021-12-21
申请号：US16534122
申请日：2019-08-07
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
IPC: F03C2/00 , F03C4/00 , F04C18/00 , F04C2/00 , F04C28/26 , F04C18/02 , F04C23/00 , F04C28/16 , F04C28/24 , F04C28/18 , F04C29/00 , F04C29/12
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage configured to bypass a refrigerant of the compression chamber into the casing, an opening/closing valve assembly configured to open and close the communication passage, and a switching valve assembly configured to operate the opening/closing valve assembly, the switching valve assembly being provided outside the casing and connected to the opening/closing valve assembly, whereby an installation of the bypass hole can result in prevention of over-compression and an installation of a control valve for varying a capacity outside the casing can result in reduction of costs for the control valve.
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公开(公告)号：US10458412B2
公开(公告)日：2019-10-29
申请号：US15432032
申请日：2017-02-14
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
Abstract: A hermetic compressor is provided that may include a casing having an inner space, an orbiting scroll provided in the inner space, a non-orbiting scroll engaged with the orbiting scroll to form compression chambers, a high/low pressure dividing plate that divides the inner space into high and low pressure portions, and an overheat preventing unit coupled to a surface of the dividing plate at the high pressure portion, the overheat preventing unit having a communication hole formed through the dividing plate to communicate the high and low pressure portions, and having a valve spaced from the dividing plate by a predetermined interval to selectively open/close the communication hole according to a temperature variation of the high pressure portion, whereby transfer of a refrigerant temperature of the low pressure portion to the overheat preventing unit through the dividing plate may be prevented, and the compressor may be quickly stopped upon being overheated, thereby being protected from damage.
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公开(公告)号：US20190249667A1
公开(公告)日：2019-08-15
申请号：US16397490
申请日：2019-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Honggyun Jin , Sangwoo Joo
CPC classification number: F04C28/26 , F04C18/0215 , F04C23/008 , F04C28/18 , F04C29/0085 , F04C29/124 , F04C2240/30
Abstract: A scroll compressor according to the present invention includes a casing, an orbiting member provided within the casing and performing an orbiting motion, a non-orbiting member forming a compression chamber together with the orbiting member, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a communication passage communicating inside and outside of the compression chamber with each other, an opening/closing valve assembly provided outside the non-orbiting member within the casing and opening and closing the communication passage, and a switching valve assembly provided within the casing and operating the opening/closing valve assembly, whereby a facilitated fabrication, improved valve responsiveness and a relaxed restriction for a specification of a valve can be achieved, and also an over-compression can be prevented by an installation of a check valve, and an assembling efficiency can be improved by installing two valve assemblies outside the non-orbiting member.
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